/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.wasp;

/**
 * Used by createTable.
 * 
 */
public enum FieldKeyWord {
  REQUIRED ("key_required"), //
  OPTIONAL ("key_optional"), //
  REPEATED ("key_repeated");//

  FieldKeyWord(String value) {
    this.value = value;
  }

  final String value;

  public String getValue() {
    return value;
  }

  public static FieldKeyWord returnValue(String value) {
    if (value.equals("key_required")) {
      return REQUIRED;
    } else if (value.equals("key_optional")) {
      return OPTIONAL;
    } else if (value.equals("key_repeated")) {
      return REPEATED;
    } else {
      throw new RuntimeException("Unkown value of FieldKeyWord.");
    }
  }
}
